MAX1117 Datasheet, PDF (5/14 Pages) Maxim Integrated Products – Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
Typical Operating Characteristics (continued)
(V_DD = +3V (MAX1117), V_DD = +5V (MAX1119), V_DD = V_REF = +3V (MAX1118), f_SCLK = 5MHz, f_SAMPLE = 100ksps, C_LOAD = 100pF,
T_A = +25°C, unless otherwise noted.)
MAX1117/MAX1119
SUPPLY CURRENT vs. CONVERSION RATE
100.0
MAX1117/MAX1119 SUPPLY CURRENT
vs. SUPPLY VOLTAGE
200
MAX1117/MAX1119
SUPPLY CURRENT vs. TEMPERATURE
200
MAX1119
10.0
V_DD = +5V
1.0
MAX1117
V_DD = +3V
0.1
0.01
0.1
1
10
100
CONVERSION (ksps)
CONVERSION TIME
vs. SUPPLY VOLTAGE
5.5
5.4
5.3
5.2
5.1
5.0
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
MAX1118
GAIN ERROR vs. SUPPLY VOLTAGE
0.4 ^{VREF = 2.048V}
0.2
0
-0.2
-0.4
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
150
100
MAX1117
MAX1119
50
D_OUT = 00000000
V_DD = V_{DIGITAL INPUTS}
0
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
CONVERSION TIME
vs. TEMPERATURE
5.5
5.4
V_DD = +3V
5.3
5.2
V_DD = +5V
5.1
5.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
MAX1118
GAIN ERROR vs. TEMPERATURE
0.5
0.4 ^{VDD = +3V}
V_REF = 2.048V
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
150
MAX1119
VDD = +5V
MAX1117
100
VDD = +3V
50
D_OUT = 00000000
V_DD = V_{DIGITAL INPUTS}
0
-40 -15 10
35
60
85
TEMPERATURE (V)
FFT PLOT
0
-20
-40
-60
-80
-100
-120
0
10k 20k 30k 40k 50k
ANALOG INPUT FREQUENCY (Hz)
MAX1118
GAIN ERROR vs. REFERENCE VOLTAGE
0
V_DD = +5.5V
-0.2
-0.4
-0.6
-0.8
-1.0
1
2
3
4
5
REFERENCE VOLTAGE (V)
_______________________________________________________________________________________ 5